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Finding the Fourth Proportional to 5,601.76, 8,400.80 and 1,903.04

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Solution

The fourth proportional to 5,601.76, 8,400.80 and 1,903.04 is: 2,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.76 : 8,400.80 = 1,903.04 : x
  2. Step 2: Convert to fraction form
    5,601.76/8,400.80 = 1,903.04/x
  3. Step 3: Cross multiply
    5,601.76x = 8,400.80 × 1,903.04
  4. Step 4: Simplify right side
    5,601.76x = 15,987,058.43
  5. Step 5: Solve for x
    x = 15,987,058.43/5,601.76
  6. Step 6: Final answer
    x = 2,853.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.